Home / 22,143,483.40-33,215,225.10-20,124,007.60

Finding the Fourth Proportional to 22,143,483.40, 33,215,225.10 and 20,124,007.60

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Solution

The fourth proportional to 22,143,483.40, 33,215,225.10 and 20,124,007.60 is: 30,186,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,483.40 : 33,215,225.10 = 20,124,007.60 : x
  2. Step 2: Convert to fraction form
    22,143,483.40/33,215,225.10 = 20,124,007.60/x
  3. Step 3: Cross multiply
    22,143,483.40x = 33,215,225.10 × 20,124,007.60
  4. Step 4: Simplify right side
    22,143,483.40x = 668,423,442,348,110.88
  5. Step 5: Solve for x
    x = 668,423,442,348,110.88/22,143,483.40
  6. Step 6: Final answer
    x = 30,186,011.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.